AnimationDefinitionSource.cs

using Newtonsoft.Json;
 
namespace Gondwana.Drawing.Animation.GANI;

public sealed class AnimationDefinitionSource
{
    [JsonConstructor]
    private AnimationDefinitionSource() { }

    [JsonProperty]
    public AnimationDefinitionSourceKind Kind { get; private init; }

    [JsonProperty]
    public string? GaniFilePath { get; private init; }

    [JsonProperty]
    public string? AssetsFilePath { get; private init; }

    [JsonProperty]
    public string? AssetEntryName { get; private init; }

    public static AnimationDefinitionSource LooseDefinitionFile(string ganiFilePath)
    {
        if (string.IsNullOrWhiteSpace(ganiFilePath))
            throw new ArgumentException("GANI file path must be a non-empty string.", nameof(ganiFilePath));
 
        return new AnimationDefinitionSource
        {
            Kind = AnimationDefinitionSourceKind.LooseDefinitionFile,
            GaniFilePath = ganiFilePath
        };
    }

    public static AnimationDefinitionSource PackedDefinitionFile(
        string assetsFilePath,
        string assetEntryName)
    {
        if (string.IsNullOrWhiteSpace(assetsFilePath))
            throw new ArgumentException("Assets file path must be a non-empty string.", nameof(assetsFilePath));
 
        if (string.IsNullOrWhiteSpace(assetEntryName))
            throw new ArgumentException("Asset entry name must be a non-empty string.", nameof(assetEntryName));
 
        return new AnimationDefinitionSource
        {
            Kind = AnimationDefinitionSourceKind.PackedDefinitionFile,
            AssetsFilePath = assetsFilePath,
            AssetEntryName = assetEntryName
        };
    }

    public static AnimationDefinitionSource Generated() =>
        new() { Kind = AnimationDefinitionSourceKind.Generated };

    public static AnimationDefinitionSource None() =>
        new() { Kind = AnimationDefinitionSourceKind.None };
}